CN109772867A - A kind of soil remediation system and administering method by heavy metal pollution - Google Patents
A kind of soil remediation system and administering method by heavy metal pollution Download PDFInfo
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- CN109772867A CN109772867A CN201910132239.7A CN201910132239A CN109772867A CN 109772867 A CN109772867 A CN 109772867A CN 201910132239 A CN201910132239 A CN 201910132239A CN 109772867 A CN109772867 A CN 109772867A
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- soil
- mixing tank
- mixing
- elution
- terminal pad
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- 239000002689 soil Substances 0.000 title claims abstract description 115
- 238000000034 method Methods 0.000 title claims abstract description 24
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 22
- 238000005067 remediation Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000010828 elution Methods 0.000 claims abstract description 41
- 230000018044 dehydration Effects 0.000 claims abstract description 27
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 92
- 238000012216 screening Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 18
- 239000004575 stone Substances 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000007873 sieving Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 claims description 2
- 208000005156 Dehydration Diseases 0.000 claims 7
- 238000010227 cup method (microbiological evaluation) Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 241000196324 Embryophyta Species 0.000 description 13
- 238000010586 diagram Methods 0.000 description 9
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000003900 soil pollution Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000002386 leaching Methods 0.000 description 4
- 229920001817 Agar Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000008272 agar Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000430521 Alyssum Species 0.000 description 1
- 235000003069 Artemisia scoparia Nutrition 0.000 description 1
- 241001249148 Artemisia scoparia Species 0.000 description 1
- 241000051984 Blepharidachne Species 0.000 description 1
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 235000007871 Chrysanthemum coronarium Nutrition 0.000 description 1
- 244000067456 Chrysanthemum coronarium Species 0.000 description 1
- 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000027555 hydrotropism Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Processing Of Solid Wastes (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of soil remediation systems and administering method by heavy metal pollution, change area, broken agitating device and several elution dehydration devices including hydraulic conductivity, the broken agitating device changes area with hydraulic conductivity and connects, and several elution dehydration devices connect respectively at broken agitating device；The water conservancy coefficient of conductivity changes the movable water tank that area is arranged at intervals with several " time " fonts.A kind of soil remediation system and administering method by metallic pollution of the present invention can be improved the elution effect of soil by the hydraulic conductivity of change contaminated soil.
Description
Technical field
The present invention relates to administer soil pollution field more particularly to a kind of soil remediation system by heavy metal pollution and control
Reason method.
Background technique
The amount for the heavy metal being discharged into soil will result in soil pollution after being greater than the self-purification capacity of soil.Soil by
Heavy metal pollution can make self structure change, and the microbial activities in soil also will receive inhibition, and pass through " soil-plant
Object-human body " or " soil-water-human body " eventually enter into inside of human body, reach the degree being detrimental to health.It has opened in China
Starting weight regards soil pollution, and takes a series of control measures.
The method of common improvement soil pollution has thermodynamics restorative procedure, thermal desorption recovery technique, incineration method, chemistry leaching
Wash method etc..Wherein chemical leaching method refers to the method that agent by chemically adding removes and reduces environmental pollution.Existing utilizationization
The technical equipment for learning elution method is varied, its regulation effect but needed to be further increased at that time.Existing chemical leaching is divided into
Elution in situ and dystopy elution, both ELUTION METHODs all directly do not pre-process soil, directly pour leacheate
On to contaminated soil, or leacheate is only poured again after being simply crushed, but due to soil hydraulic conductivity
Influence, the small soil of the coefficient of conductivity such as clay be difficult elution sufficiently, thus influence its elute effect.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of soil by heavy metal pollution
Earth governing system and administering method improve the elution effect of soil by changing the hydraulic conductivity of soil.
Technical solution: to achieve the above object, a kind of soil remediation system by heavy metal pollution of the invention, including water
The power coefficient of conductivity changes area, broken agitating device and several elution dehydration devices, the broken agitating device and hydraulic conductivity system
Number changes area and connects, and several elution dehydration devices connect respectively at broken agitating device；
It includes sink floor, rubble floor, microlith floor and soil placed layer, the sink that the hydraulic conductivity, which changes area,
Layer, rubble layer, microlith layer and soil placed layer are successively disposed adjacent from the bottom to top, and the sink layer is provided with water inlet pipe and water outlet
Pipe, the soil placed layer are arranged at intervals with several movable water tanks, and the soil placed layer kind is implanted with plant.
Further, the movable water tank includes rubble and web plate, and the web plate coats rubble to form " returning " font,
The bottom of the movable water tank is provided with the sealing plate of preventing water leakage, and the top side detachable of the movable water tank is connected with protection
Plate.
Further, the broken agitating device includes mixing tank, driving device, several mixing mills, screening funnel and extremely
A few vibrating screen；Several mixing mills are connect with driving device, and are set to inside mixing tank, the driving device and mixing tank
It is slidably connected, the discharge port of the broken agitating device is set to the bottom of mixing tank, and the screening funnel is set to mixing tank
Lower section, the discharge port of each vibrating screen pass through conveyer belt with elution dehydration device be connected.
Further, the mixing mill includes the first terminal pad and the second terminal pad, and first terminal pad and second connect
Connect the setting of disk coaxial spaced, first terminal pad and the second terminal pad connect with driving device, first terminal pad with
Several crushing rods are connected between second terminal pad, several crushing rods are connected to the circle of the first terminal pad and the second terminal pad
On circumferential surface, and crushing rod is arranged at an angle with the first terminal pad/second terminal pad axis.
Further, the driving device includes connecting rod, the first support plate, the second support plate, directive wheel, transmission gear
And driving motor, first support plate and the second support plate are placed in the two sides of connecting rod, first support plate and second
Support frame is provided in support plate, the connecting rod and support frame rotation connect, and one end of the driving motor and connecting rod is driven
Dynamic connection, and fixed with the first support plate, the transmission gear is individually fixed in the both ends of connecting rod, and is set to the first support
Between plate and the second support plate, the directive wheel is rotationally connected with the both ends of connecting rod respectively, and is set between transmission gear；
Two opposite side walls of the mixing tank are provided with guide groove, and the directive wheel is slidably connected in guide groove；
It is provided on the outside of the mixing tank side wall of guide groove and is provided with rack gear, the driving cog wheel and rack is cooperatively connected；
The side wall of the mixing tank is additionally provided with sliding slot, and the sliding slot is set to the lower section of rack gear, second support plate
One end be slidably connected with sliding slot.
Further, the discharge outlet of the broken agitating device is covered with first baffle, the first baffle with mix
Case is slidably connected.
Further, if the inclined-plane of the screening funnel is provided with dry sieving hole, the bottom of the screening funnel is provided with
Stone hole is arranged, the bottom in row's stone hole, which is set up, is connected with closure plate, and rotation is connected with stirring rod in the screening funnel.
Further, the elution dehydration device includes mixing tank, feed liquor outlet tube, mixing mill, driving device and several
Dewatering bag；Several dewatering bags are connected to below mixing tank, and one end of the feed liquor outlet tube stretches in mixing tank, described
Mixing mill is set in mixing tank, and is connect with driving device, and the driving device is slidably connected with mixing tank.
Further, the elution dehydration device further includes liquid collecting funnel；The bottom of the liquid collecting funnel is provided with several
Discharge gate, the bottom of the dewatering bag is connected to the bottom of liquid collecting funnel, and communicates with discharge gate；The liquid collecting funnel bottom is covered
Equipped with second baffle.
A kind of soil remediation method by heavy metal pollution, comprising the following steps:
(S1) movable water tank interval is placed into soil placed layer, protective plate is then added to movable water tank
Soil to be administered then is placed in soil placed layer by top, and soil fills the gap between movable water tank at this time；
(S2) removal is installed in the protective plate at the top of movable water tank, and fills the water between sink layer and movable water tank；
(S3) by plant cultivating on soil placed layer, and list is utilized in cultivating process by the cultivation of certain time
The hydraulic conductivity of soil is administered in agar diffusion method measurement；
(S4) soil in step (S3) is transferred in broken agitating device by conveyer belt, starts driving device, mixed
Conjunction roller is placed on the soil in mixing tank and is crushed and is stirred, when soil breaking after mixing evenly, opens first in mixing tank
Baffle, the soil in mixing tank are fallen into screening funnel, sieve the stirring rod rotation of funnel, and soil falls into lower section by sieving hole
Vibrating screen, stone then stays in screening funnel, after the completion of sieving completely with the soil in mixing tank, opens closure plate, stone is by arranging
Stone hole excludes；
(S5) after multiple vibrating screens are sieved, soil enters different elution according to the size of its particle diameter and takes off
Mixing tank in water installations；
(S6) to elution dehydration device injection elution night, starting elutes the driving device in dehydration device, mixing mill rotation
Soil therein and elution night are sufficiently mixed, then stands, is layered to leacheate and soil, by the cleaning on upper layer
Liquid is detached by feed liquor outlet tube, the mud of lower layer is transferred to after carrying out preliminary hydro-extraction in dewatering bag and is collected.
Beneficial effects of the present invention are as described below: a kind of soil remediation system and administering method by heavy metal pollution,
The hydraulic conductivity of soil is adjusted first before carrying out Soil leaching, the soil after being adjusted can be abundant by liquid,
Elution effect can significantly be improved；The present invention adjusts the hydraulic conductivity of polluted soil using plant, does not easily cause
Secondary pollution；Soil after vibrating screen sieves enters different elution dehydration devices according to the size of particle, according to soil
The size of particle drench the leacheate different into concentration, can reduce the consume of leacheate while guaranteeing to elute effect, subtract
Low soil remediation cost.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of invention；
Attached drawing 2 is the structural schematic diagram of broken agitating device of the present invention；
Attached drawing 3 is the structural schematic diagram of screening funnel of the present invention；
Attached drawing 4 is the structural schematic diagram of mixing mill of the present invention；
Attached drawing 5 is the structural schematic diagram of driving device of the present invention and mixing tank；
Attached drawing 6 is the structure sectional view of mixing tank of the present invention；
Attached drawing 7 is the structural schematic diagram of driving device of the present invention；
Attached drawing 8 is the structural schematic diagram of elution dehydration device of the present invention；
Attached drawing 9 is the structural schematic diagram of liquid collecting funnel of the present invention；
Attached drawing 10 is the structure sectional view that hydraulic conductivity of the present invention changes area；
Attached drawing 11 is the structural schematic diagram of movable water tank of the present invention.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
A kind of soil remediation system by heavy metal pollution as described in attached drawing 1 to 11, including hydraulic conductivity change
Area 1, broken agitating device 2 and several elution dehydration devices 3, the broken agitating device 2 change 1 phase of area with hydraulic conductivity
It connects, several elution dehydration devices 3 connect respectively at broken agitating device 2；
It includes sink floor 101, rubble floor 102, microlith floor 103 and soil placed layer that the hydraulic conductivity, which changes area 1,
104, the sink layer 101, rubble layer 102, microlith layer 103 and soil placed layer 104 are successively disposed adjacent from the bottom to top, described
Sink layer 101 is provided with water inlet pipe and outlet pipe, and the soil placed layer 104 is arranged at intervals with several movable water tanks 105, institute
It states 104 kinds of soil placed layer and is implanted with plant；The plant preferably planted is the biggish plant of soil tolerance to metallic pollution,
It can be specifically determined according to the pollutant in soil, Alyssum, major pollutants are used if major pollutants are nickel
Copper then using crowndaisy chrysanthemum or artemisia scoparia etc., if major pollutants are arsenic, then needs to plant ciliate desert-grass etc..It is noted here that
It is that the main function of these plants does not absorb pollutant, the hydraulic conductivity of soil is improved by root system of plant, because
This required growth cycle substantially reduces, so as to shorten the time for administering soil pollution.
The movable water tank 105 includes rubble and web plate, and the web plate coats rubble to form " returning " font, plantation
Plant terminates in the gap with rectangular-ambulatory-plane and among the gap of each movable water tank, the bottom of the movable water tank 105
It is provided with the sealing plate of preventing water leakage, the top side detachable of the movable water tank 105 is connected with protective plate 106.
Put movable water tank first before placing polluted soil, the movable water tank is that have iron wire web plate and broken
Stone composition, after putting mobile sink, after protective plate to be moved to the top of movable water tank, then places contaminated soil, institute
Stating protective plate can prevent contaminated soil from entering in sink.Then to draining in movable water tank and sink layer, plantation is planted
Object.Due to the hydrotropism of root system of plant, the root system of plant can be rapidly to the sink layer of bottom and the movable water tank on side
Growth, to accelerate the hydraulic conductivity of improvement polluted soil.It is shifted when needing to be placed on the soil in soil placed layer
To when being crushed agitating device, first have to remove movable water tank.
The broken agitating device 2 includes mixing tank 201, driving device 202, several mixing mills 203, screening funnel 204
With two vibrating screens 205；Several mixing mills 203 are connect with driving device 202, and are set to inside mixing tank 201, described
Driving device 202 is slidably connected with mixing tank 201, and the discharge port of the broken agitating device 2 is set to the bottom of mixing tank 201
Portion, the screening funnel 204 are set to the lower section of mixing tank 201, and the discharge port of each vibrating screen 205 passes through conveyer belt
4 are connected with elution dehydration device 3.Two vibrating screen mounted on top, side is provided with opening connection conveyer belt, to vibrate
Soil in sieve drives in elution dehydration device, and the sieve diameter of the vibrating screen on upper layer is greater than the sieve pore of the vibrating screen of lower layer
Diameter.
The mixing mill 203 includes the first terminal pad 206 and the second terminal pad 207, first terminal pad 206 and second
The setting of 207 coaxial spaced of terminal pad, first terminal pad 206 and the second terminal pad 207 are connect with driving device 202, institute
It states and is connected with several crushing rods 208 between the first terminal pad 206 and the second terminal pad 207, several crushing rods 208 are connected to
On the periphery of first terminal pad 206 and the second terminal pad 207, and 206/ second terminal pad of crushing rod 208 and the first terminal pad
207 axis is arranged at an angle.The mixing mill has both stirring and broken two kinds of effects, and the crushing rod being obliquely installed can
Effect of the stone harder in soil to breaker roll is reduced, prevents from easily destroying crushing rod.
The driving device 202 includes connecting rod 209, the first support plate 210, the second support plate 211, directive wheel 212, passes
Moving gear 213 and driving motor 214, first support plate 210 and the second support plate 211 are placed in the two sides of connecting rod 209,
Support frame 215 is provided in first support plate 210 and the second support plate 211, the connecting rod 209 is revolved with support frame 215
Turn connection, the driving motor 214 and one end of connecting rod 209 are drivingly connected, and, the biography fixed with the first support plate 210
Moving gear 213 is individually fixed in the both ends of connecting rod 209, and is set between the first support plate 210 and the second support plate 211,
The directive wheel 212 is rotationally connected with the both ends of connecting rod 209 respectively, and is set between transmission gear 213, starting driving electricity
Machine while connecting rod drives mixing mill rotation, in the reciprocating movement of the effect of transmission gear and rack gear, is completed in mixing tank
Soil be stirred and be crushed.
It is provided on the outside of 201 side wall of mixing tank of guide groove 216 and is provided with rack gear 217, the transmission gear 213 and tooth
Item 217 is cooperatively connected；
Meanwhile in order to shift when will prevent transmission gear with rack-driving, 201 two opposite sides of the mixing tank
Wall is provided with guide groove 216, and the directive wheel 212 is slidably connected in guide groove 216, forms limit to transmission gear and rack gear
Position, prevents gear from deflecting, and guarantees that guide groove is not to be exceeded in the stability of transmission, the maximum height for being placed in soil in mixing tank,
In soil that is broken and being stirred in case, soil is splashed in guide groove, in guide groove for mixing mill in order to prevent simultaneously
Two sides are provided with Flexible brush curtain, while should also clear up in time to falling into guide groove soil therein, and air pressure gun specifically can be used
It is brushed；
The side wall of the mixing tank 201 is additionally provided with sliding slot 218, and the sliding slot 218 is set to the lower section of rack gear 217, institute
It states in one end insertion flowers and plants 218 of the second support plate 211, and is slidably connected with sliding slot 218.
The discharge outlet of the broken agitating device 2 is covered with first baffle 219, the first baffle 219 and mixing tank
201 are slidably connected.
If the inclined-plane of the screening funnel 204 is provided with dry sieving hole 220, the bottom of the screening funnel 204 is provided with
Stone hole 221 is arranged, the bottom in row's stone hole 221, which is set up, is connected with closure plate, and the closure plate should be covered in the top in row stone hole, described
Rotation is connected with stirring rod 222 in screening funnel 204.
The elution dehydration device 3 includes mixing tank 201, feed liquor outlet tube 301, mixing mill 203,202 and of driving device
Several dewatering bags 302；Several dewatering bags 302 are connected to 201 lower section of mixing tank, and one end of the feed liquor outlet tube 301 is stretched
Enter into mixing tank 201, the mixing mill 203 is set in mixing tank 201, and is connect with driving device 202, the driving dress
It sets 202 to be slidably connected with mixing tank 201, the structure of the mixing tank of the mixing tank of the elution device and broken agitating device is substantially
It is identical, only difference is that the discharge outlet in mixing tank bottom is covered with third baffle, the both ends of the third baffle
It is provided with handle, when needing to drain into the soil in mixing tank in dewatering bag, needs to remove third baffle.The dewatering bag
The preferential flexible pouch using nylon cloth braiding, intensity is big, and filter effect is good.
The elution dehydration device 3 further includes liquid collecting funnel 303；The bottom of the liquid collecting funnel 303 is provided with several rows
Material mouth 304, the bottom of the dewatering bag 302 is connected to the bottom of liquid collecting funnel 303, and communicates with discharge gate 304；The liquid collecting
303 bottom of funnel is covered with second baffle 305.Liquid collecting funnel is additionally provided with leakage fluid dram, the leacheate oozed out by dewatering bag arm into
Enter in liquid collecting funnel, and is excluded by leakage fluid dram, and the soil in dewatering bag excludes to collect by discharge gate, can also there is filters pressing
The dehydration that machine is further walked.
A kind of soil remediation method by heavy metal pollution, comprising the following steps:
(S1) movable water tank interval is placed into soil placed layer, protective plate is then added to movable water tank
Soil to be administered then is placed in soil placed layer by top, and soil fills the gap between movable water tank at this time；
(S2) removal is installed in the protective plate at the top of movable water tank, and fills the water between sink layer and movable water tank；
(S3) by plant cultivating on soil placed layer, and list is utilized in cultivating process by the cultivation of certain time
The hydraulic conductivity of soil is administered in agar diffusion method measurement；
(S4) soil in step (S3) is transferred in broken agitating device by conveyer belt, starts driving device, mixed
Conjunction roller is placed on the soil in mixing tank and is crushed and is stirred, when soil breaking after mixing evenly, opens first in mixing tank
Baffle, the soil in mixing tank are fallen into screening funnel, sieve the stirring rod rotation of funnel, and soil falls into lower section by sieving hole
Vibrating screen, stone then stays in screening funnel, after the completion of sieving completely with the soil in mixing tank, opens closure plate, stone is by arranging
Stone hole excludes；
(S5) after multiple vibrating screens are sieved, soil enters different elution according to the size of its particle diameter and takes off
Mixing tank in water installations；
(S6) to elution dehydration device injection elution night, starting elutes the driving device in dehydration device, mixing mill rotation
Soil therein and elution night are sufficiently mixed, then stands, is layered to leacheate and soil, by the cleaning on upper layer
Liquid is detached by feed liquor outlet tube, the mud of lower layer is transferred to after carrying out preliminary hydro-extraction in dewatering bag and is collected.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of soil remediation system by heavy metal pollution, it is characterised in that: change area (1) including hydraulic conductivity, break
Broken agitating device (2) and several elution dehydration devices (3), the broken agitating device (2) and hydraulic conductivity change area (1)
Connect, several elution dehydration devices (3) connect respectively at broken agitating device (2)；
It includes that sink floor (101), rubble floor (102), microlith floor (103) and soil are put that the hydraulic conductivity, which changes area (1),
Set layer (104), the sink layer (101), rubble layer (102), microlith layer (103) and soil placed layer (104) from the bottom to top according to
Secondary to be disposed adjacent, the sink layer (101) is provided with water inlet pipe and outlet pipe, and the soil placed layer (104) is arranged at intervals with
Several movable water tanks (105), soil placed layer (104) kind are implanted with plant.
2. a kind of soil remediation system by heavy metal pollution according to claim 1, it is characterised in that: described removable
Sink (105) includes rubble and web plate, and the web plate coats rubble to form " returning " font, the movable water tank (105)
Bottom is provided with the sealing plate of preventing water leakage, and the top side detachable of the movable water tank (105) is connected with protective plate (106).
3. a kind of soil remediation system by heavy metal pollution according to claim 1, it is characterised in that: described be crushed is stirred
Mixing device (2) includes mixing tank (201), driving device (202), several mixing mills (203), screening funnel (204) and at least one
A vibrating screen (205)；Several mixing mills (203) connect with driving device (202), and are set to mixing tank (201) inside, described
Driving device (202) is slidably connected with mixing tank (201), and the discharge port of the broken agitating device (2) is set to mixing tank
(201) bottom, screening funnel (204) are set to the lower section of mixing tank (201), and each vibrating screen (205) goes out
Material mouth passes through conveyer belt (4) and is connected with elution dehydration device (3).
4. a kind of soil remediation system by heavy metal pollution according to claim 3, it is characterised in that: the mixing mill
It (203) include the first terminal pad (206) and the second terminal pad (207), first terminal pad (206) and the second terminal pad
(207) coaxial spaced is arranged, and first terminal pad (206) and the second terminal pad (207) are connect with driving device (202),
It is connected with several crushing rods (208) between first terminal pad (206) and the second terminal pad (207), several crushing rods
(208) it is connected on the periphery of the first terminal pad (206) and the second terminal pad (207), and crushing rod (208) is connect with first
The axis of disk (206)/second terminal pad (207) is arranged at an angle.
5. a kind of soil remediation system by heavy metal pollution according to claim 3, it is characterised in that: the driving dress
Setting (202) includes connecting rod (209), the first support plate (210), the second support plate (211), directive wheel (212), transmission gear
(213) and driving motor (214), first support plate (210) and the second support plate (211) are placed in connecting rod (209)
Two sides are provided with support frame (215) in first support plate (210) and the second support plate (211), the connecting rod (209)
Rotate and connect with support frame (215), one end of the driving motor (214) and connecting rod (209) is drivingly connected, and with first
Fagging (210) is fixed, and the transmission gear (213) is individually fixed in the both ends of connecting rod (209), and is set to the first support plate
(210) between the second support plate (211), the directive wheel (212) is rotationally connected with the both ends of connecting rod (209) respectively, and
It is set between transmission gear (213)；
(201) two opposite side walls of the mixing tank are provided with guide groove (216), and the directive wheel (212) is slidably connected to
In guide groove (216)；
It is provided on the outside of mixing tank (201) side wall of guide groove (216) and is provided with rack gear (217), the transmission gear (213)
It is cooperatively connected with rack gear (217)；
The side wall of the mixing tank (201) is additionally provided with sliding slot (218), and the sliding slot (218) is set under rack gear (217)
Side, one end and the sliding slot (218) of second support plate (211) are slidably connected.
6. a kind of soil remediation system by heavy metal pollution according to claim 3, it is characterised in that: described be crushed is stirred
The discharge outlet for mixing device (2) is covered with first baffle (219), and the first baffle (219) and mixing tank (201) sliding connect
It connects.
7. a kind of soil remediation system by heavy metal pollution according to claim 3, it is characterised in that: the screening leakage
Bucket (204) if inclined-plane be provided with dry sieving hole (220), it is described screening funnel (204) bottom be provided with row stone hole (221),
The bottom in row's stone hole (221), which is set up, is connected with closure plate, and rotation is connected with stirring rod (222) in the screening funnel (204).
8. a kind of soil remediation system by heavy metal pollution according to claim 3, it is characterised in that: the elution is de-
Water installations (3) include mixing tank (201), feed liquor outlet tube (301), mixing mill (203), driving device (202) and several dehydrations
Bag (302)；Several dewatering bags (302) are connected to below mixing tank (201), and one end of the feed liquor outlet tube (301) is stretched
Enter into mixing tank (201), the mixing mill (203) is set in mixing tank (201), and connect with driving device (202), institute
Driving device (202) is stated to be slidably connected with mixing tank (201).
9. a kind of soil remediation system by heavy metal pollution according to claim 8, it is characterised in that: the elution is de-
Water installations (3) further include liquid collecting funnel (303)；The bottom of the liquid collecting funnel (303) is provided with several discharge gates (304), institute
The bottom for stating dewatering bag (302) is connected to the bottom of liquid collecting funnel (303), and communicates with discharge gate (304)；The liquid collecting funnel
(303) bottom is covered with second baffle (305).
10. a kind of soil remediation method by heavy metal pollution, it is characterised in that the following steps are included:
(S1) movable water tank interval is placed into soil placed layer, then protective plate is added to the top of movable water tank
Soil to be administered then is placed in soil placed layer by portion, and soil fills the gap between movable water tank at this time；
(S2) removal is installed in the protective plate at the top of movable water tank, and fills the water between sink layer and movable water tank；
(S3) by plant cultivating on soil placed layer, and one cup method is utilized in cultivating process by the cultivation of certain time
The hydraulic conductivity of soil is administered in measurement；
(S4) soil in step (S3) is transferred in broken agitating device by conveyer belt, starts driving device, mixing mill
The soil being placed in mixing tank is crushed and is stirred, when in mixing tank soil breaking after mixing evenly, open first baffle,
Soil in mixing tank is fallen into screening funnel, sieves the stirring rod rotation of funnel, and soil falls into the vibration of lower section by sieving hole
Sieve, stone then stays in screening funnel, after the completion of sieving completely with the soil in mixing tank, opens closure plate, stone is by row's stone hole
It excludes；
(S5) after multiple vibrating screens are sieved, soil enters different elution dehydration dresses according to the size of its particle diameter
Mixing tank in setting；
(S6) to dehydration device injection elution night is eluted, the driving device in starting elution dehydration device, mixing mill is rotated it
In soil with elution night be sufficiently mixed, then stand, be layered to leacheate and soil, the cleaning solution on upper layer led to
It crosses feed liquor outlet tube to be detached, the mud of lower layer is transferred to after carrying out preliminary hydro-extraction in dewatering bag and is collected.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238188A (en) * | 2019-06-26 | 2019-09-17 | 吴惠林 | It is a kind of for farmland pollution soil remediation administer circulated sprinkling wash system |
| CN110877044A (en) * | 2019-11-04 | 2020-03-13 | 衢州学院 | Leaching type soil remediation device |
| CN112791772A (en) * | 2021-04-01 | 2021-05-14 | 金祥法 | Soil screening plant for soil remediation |
| CN112997612A (en) * | 2021-02-18 | 2021-06-22 | 叶大英 | Soil conditioner and soil conditioning method |
| CN113184983A (en) * | 2021-04-23 | 2021-07-30 | 江西省顺丰纸业有限责任公司 | Activated sludge dilution separation device |
| CN116921418A (en) * | 2023-08-03 | 2023-10-24 | 湖南亿康环保科技有限公司 | Solidification treatment equipment for heavy metal contaminated soil detoxification |
| CN116984067A (en) * | 2023-09-28 | 2023-11-03 | 东海硅产(江苏)科技有限公司 | Be applied to sieving mechanism of high-purity quartz sand production |
| CN117655081A (en) * | 2023-12-07 | 2024-03-08 | 生态环境部南京环境科学研究所 | Equipment and method for restoring heavy metal contaminated soil based on humic acid leaching |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1334781A2 (en) * | 2002-01-30 | 2003-08-13 | Sistema Ecodeco S.p.A. | method of treating sediment spread over large areas |
| CN102172609A (en) * | 2011-02-21 | 2011-09-07 | 中国科学院南京地理与湖泊研究所 | Ecological remediation technique for use in contamination control of phosphorite waste land |
| US20110293378A1 (en) * | 2004-08-13 | 2011-12-01 | Kryzak Thomas J | System, Apparatus, and Methods of Remediation of Contamination |
| JP2012125665A (en) * | 2010-12-13 | 2012-07-05 | Idemitsu Eng Co Ltd | Method for purifying soil pollution |
| CN104624623A (en) * | 2015-01-30 | 2015-05-20 | 浙江博世华环保科技有限公司 | In-situ extraction and remediation method for polluted site |
| CN104889149A (en) * | 2015-06-10 | 2015-09-09 | 中国科学院地理科学与资源研究所 | Ectopic classification leaching repair complete process of arsenic and heavy metal contaminated soil |
| CN104923558A (en) * | 2015-05-25 | 2015-09-23 | 浙江大学 | Method for remedying soil polluted by organo-chlorine pesticides (OCPs) on basis of solubilization, elution and microorganism strengthening effects of surface active agent |
| CN106077060A (en) * | 2016-02-28 | 2016-11-09 | 湖南先科环保有限公司 | A kind of heavy-metal contaminated soil processing means and process technique thereof |
| US20160362319A1 (en) * | 2004-06-04 | 2016-12-15 | David A. Potts | Wastewater leaching system |
| CN106881340A (en) * | 2017-03-14 | 2017-06-23 | 北京建工环境修复股份有限公司 | A kind of administering method in heavy metal pollution farmland |
| CN206731800U (en) * | 2017-04-17 | 2017-12-12 | 中源晟朝股份有限公司 | A kind of ex-situ repair system for contaminated soil |
| CN109158420A (en) * | 2018-08-27 | 2019-01-08 | 湖北师范大学 | A kind of As polluted soil renovation agent and application thereof |
-
2019
- 2019-02-22 CN CN201910132239.7A patent/CN109772867B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1334781A2 (en) * | 2002-01-30 | 2003-08-13 | Sistema Ecodeco S.p.A. | method of treating sediment spread over large areas |
| US20160362319A1 (en) * | 2004-06-04 | 2016-12-15 | David A. Potts | Wastewater leaching system |
| US20110293378A1 (en) * | 2004-08-13 | 2011-12-01 | Kryzak Thomas J | System, Apparatus, and Methods of Remediation of Contamination |
| JP2012125665A (en) * | 2010-12-13 | 2012-07-05 | Idemitsu Eng Co Ltd | Method for purifying soil pollution |
| CN102172609A (en) * | 2011-02-21 | 2011-09-07 | 中国科学院南京地理与湖泊研究所 | Ecological remediation technique for use in contamination control of phosphorite waste land |
| CN104624623A (en) * | 2015-01-30 | 2015-05-20 | 浙江博世华环保科技有限公司 | In-situ extraction and remediation method for polluted site |
| CN104923558A (en) * | 2015-05-25 | 2015-09-23 | 浙江大学 | Method for remedying soil polluted by organo-chlorine pesticides (OCPs) on basis of solubilization, elution and microorganism strengthening effects of surface active agent |
| CN104889149A (en) * | 2015-06-10 | 2015-09-09 | 中国科学院地理科学与资源研究所 | Ectopic classification leaching repair complete process of arsenic and heavy metal contaminated soil |
| CN106077060A (en) * | 2016-02-28 | 2016-11-09 | 湖南先科环保有限公司 | A kind of heavy-metal contaminated soil processing means and process technique thereof |
| CN106881340A (en) * | 2017-03-14 | 2017-06-23 | 北京建工环境修复股份有限公司 | A kind of administering method in heavy metal pollution farmland |
| CN206731800U (en) * | 2017-04-17 | 2017-12-12 | 中源晟朝股份有限公司 | A kind of ex-situ repair system for contaminated soil |
| CN109158420A (en) * | 2018-08-27 | 2019-01-08 | 湖北师范大学 | A kind of As polluted soil renovation agent and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张驰、张媛等: "《人工湿地中植物的修复作用原理与应用实例》", 《四川环境》 * |
| 李法虎等: "污灌条件下土壤碱度、石膏施用以及污水过滤处理对水力传导度的影响", 《农业工程学报》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238188A (en) * | 2019-06-26 | 2019-09-17 | 吴惠林 | It is a kind of for farmland pollution soil remediation administer circulated sprinkling wash system |
| CN110877044A (en) * | 2019-11-04 | 2020-03-13 | 衢州学院 | Leaching type soil remediation device |
| CN112997612A (en) * | 2021-02-18 | 2021-06-22 | 叶大英 | Soil conditioner and soil conditioning method |
| CN112791772A (en) * | 2021-04-01 | 2021-05-14 | 金祥法 | Soil screening plant for soil remediation |
| CN113184983A (en) * | 2021-04-23 | 2021-07-30 | 江西省顺丰纸业有限责任公司 | Activated sludge dilution separation device |
| CN116921418A (en) * | 2023-08-03 | 2023-10-24 | 湖南亿康环保科技有限公司 | Solidification treatment equipment for heavy metal contaminated soil detoxification |
| CN116921418B (en) * | 2023-08-03 | 2024-01-09 | 湖南亿康环保科技有限公司 | Solidification treatment equipment for heavy metal contaminated soil detoxification |
| CN116984067A (en) * | 2023-09-28 | 2023-11-03 | 东海硅产(江苏)科技有限公司 | Be applied to sieving mechanism of high-purity quartz sand production |
| CN117655081A (en) * | 2023-12-07 | 2024-03-08 | 生态环境部南京环境科学研究所 | Equipment and method for restoring heavy metal contaminated soil based on humic acid leaching |
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